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Description of ASTM-C87 2010ASTM C87 / C87M - 10Standard Test Method for Effect of Organic Impurities in Fine Aggregate on Strength of MortarActive Standard ASTM C87 / C87M | Developed by Subcommittee: C09.20 Book of Standards Volume: 04.02 ASTM C87 / C87MSignificance and Use This test method is of significance in making a final determination of the acceptability of fine aggregates with respect to the requirements of Specification C33 concerning organic impurities. This test method is applicable to those samples which, when tested in accordance with Test Method C40 , have produced a supernatant liquid with a color darker than standard color plate No. 3 or color solution. Many specifications provide for the acceptance of fine aggregate producing a darker color in the Test Method C40 test, when testing by this test method indicates the strength of the mortar cubes prepared with the unwashed fine aggregate is comparable to the strength of mortar cubes made with the washed fine aggregate. 1. Scope 1.1 This test method covers the determination of the effect on mortar strength of the organic impurities in fine aggregate, whose presence is indicated using Test Method C40 . Comparison is made between compressive strengths of mortar made with washed and unwashed fine aggregate. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Some values have only SI units because the inch-pound equivalents are not used in the practice. Note 1Sieve size is identified by its standard designation in Specification E11 . The alternative designation given in parentheses is for information only and does not represent a different standard sieve size 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. ( Warning Fresh hydraulic cementitous mixtures are caustic and may cause chemical burns to exposed skin and tissue upon prolonged exposure.)
ASTM Standards C33 Specification for Concrete Aggregates C40 Test Method for Organic Impurities in Fine Aggregates for Concrete C109/C109M Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or [50-mm] Cube Specimens) C128 Test Method for Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate C150 Specification for Portland Cement C230/C230M Specification for Flow Table for Use in Tests of Hydraulic Cement C305 Practice for Mechanical Mixing of Hydraulic Cement Pastes and Mortars of Plastic Consistency C511 Specification for Mixing Rooms, Moist Cabinets, Moist Rooms, and Water Storage Tanks Used in the Testing of Hydraulic Cements and Concretes C670 Practice for Preparing Precision and Bias Statements for Test Methods for Construction Materials C702 Practice for Reducing Samples of Aggregate to Testing Size D75 Practice for Sampling Aggregates D3665 Practice for Random Sampling of Construction Materials E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves Keywords aggregate; fine aggregate; organic impurities; mortar strength; Cement mortars; Fine aggregate; Impurities--concrete/aggregate/mortar; Organic impurities; Strength--cement/concrete mixtures/applications; ICS Code ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar) DOI: 10.1520/C0087_C0087M-10 ASTM International is a member of CrossRef. ASTM C87 / C87MThe following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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